| Final | |||||
| Lane | Comp.No. | Name | AaD | Club | Time |
| 1 | 1 | E Beresford-Linnell | 16 | Northampton | 1:21.39 |
| 2 | 2 | Marcie Blackford | 16 | Corby | 1:19.33 |
| 3 | 3 | Kaia Dawson | 16 | Corby | 1:16.27 |
| 4 | 4 | Orna Lett | 16 | Northampton | 1:11.59 |
| 5 | 5 | Maddie Walden | 16 | Northampton | 1:14.01 |
| 6 | 6 | Maddie Taylor | 16 | Corby | 1:17.15 |
| 7 | 7 | Ava Sinclair | 16 | Corby | 1:19.60 |